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42results about How to "Realize independent power supply" patented technology

Electromagnetic induction heating press-roller

The invention discloses an electromagnetic induction heating press-roller, which has an integral double-end supporting structure and comprises a rotating device and a fixing device, wherein the rotating device consists of an action roller and a rotating shaft which are connected; the rotating shaft inputs a rotating torque to drive the action roller to rotate; the fixing device consists of a fixed shaft, a sleeve arranged on the outer side of the fixed shaft, magnetizers and excitation coils; through the magnetizers and excitation coils segmentedly installed outside the sleeve, a magnetic airgap is formed between the outside end face of the fixed magnetizer and the inner circular face of the rotating action roller; the alternating magnetic field forms a circuit through the magnetizer, the air gap and the action roller metal; the magnetic field in the action roller forms an eddy current so as to uniformly heat the working face of the rotating action roller. Since a structure of axially segmented magnetizers and excitation coils is adopted, a magnetic circuit is formed on the working face metal of the heating roller only to avoid the magnetic circuit penetration of the non-heating working part and reduce the excitation current, and simultaneously prevent the machine parts from overheating; besides, the induction heating efficiency can be improved so as to control the axial temperature gratitude of the heating roller continently.
Owner:WUHAN UNIV OF TECH

Mobile communication base station load management control device and management control method

The invention discloses a mobile communication base station load management control device. The device comprises a switching power supply, a control panel, an active detection interface, a plurality of change-over switches, a plurality of shunts, and a plurality of groups of load ends. The communication end of the control panel is connected with an RS485 communication interface used for being connected with an FSU end station data collector. The direct-current input end of the control panel takes power from a -48V direct-current unit of a switching power supply; the direct-current output end of the control panel is provided with multiple paths of output, wherein each path of output is provided with one change-over switch; each change-over switch is correspondingly connected with one shunt;each shunt is connected with one group of load ends, and one group of load ends is only used for supplying power to one operator device; and the three-phase AC input end of the control panel takes power from an AC unit of the switching power supply through an active detection interface. By identifying the commercial power and power generation of a self-contained generator of a base station, whenthe self-contained generator of the base station generates power, the direct-current power consumption of different operator equipment is metered, and differentiated paid services are provided for theoperator equipment after the commercial power is powered off.
Owner:CHINA TOWER CO LTD

Lithium battery energy storage system cabinet automatic fire extinguishment device and system

The invention discloses a lithium battery energy storage system cabinet automatic fire extinguishment device and system. The fire extinguishment device comprises an aerosol fire extinguishment system, a water injection fire extinguishment system, an electrical fire detection device, a battery fire detection device and a control system. The electrical fire detection device and the battery fire detection device are both arranged in an energy storage system cabinet. The aerosol fire extinguishment system, the water injection fire extinguishment system, the electrical fire detection device and the battery fire detection device are all connected with the control system. The fire extinguishment system comprises a control system, an aerosol fire extinguishment system, multiple water injection fire extinguishment systems, multiple battery fire detection devices, a water inlet mother pipe, a water outlet mother pipe and multiple battery bins. The liquid immersion type fire extinguishment scheme is adopted, batteries are isolated from air by injecting liquid till the batteries are completely immersed, heat generated by battery faults is rapidly brought away through convective circulation at the same time, combustion inside and outside battery units is fundamentally eliminated, and harm caused by secondary accidents to the system and maintenance personnel is eradicated.
Owner:西安奇点能源股份有限公司

Multi-battery switching method, power supply device, and electronic equipment

The embodiment of the application provides a multi-battery switching method, a power supply device, and electronic equipment. The method comprises the following steps: acquiring electric quantity information of each battery unit when the power supply device supplies power for the load; screening any battery unit with electric quantity information meeting the preset condition from unloaded batteryunits as the second battery unit when the electric quantity information of the first battery unit does not meet the preset condition, wherein the first battery unit is the battery unit for supplying power for the load at present; respectively outputting a control instruction to a first switch unit connected with the first battery unit and a second switch unit connected with the second battery unit, thereby controlling the on-off of the first switch unit and the second switch unit, and enabling the second battery unit to supply power for the load. The switching among multiple battery units canbe controlled, the independent power supply of each battery unit is realized; and meanwhile, multiple battery units are provided, the battery capacity is increased, and the cruising and use time is improved.
Owner:OPPO CHONGQING INTELLIGENT TECH CO LTD

Storage battery combination working method and storage battery combination working device

The invention discloses a storage battery combination working device consisting of a plurality of monomer storage batteries or storage battery modules, a load capacitor, a plurality of storage battery charge and discharge controllers, a transformer and rectifier filter, a storage battery set monitor, a load discharge controller and a microprocessor. A storage battery combination working method is realized, so that the monomer storage batteries or the storage battery modules can be mutually isolated and can independently work after being grouped. Therefore, mutual influence of the monomer storage batteries or the storage battery modules after being grouped can be avoided, the service life of the storage battery set is prolonged, and the intrinsic high voltage source of the storage battery set can be avoided. The storage battery combination working device is convenient to implement and safe to use.
Owner:STATE GRID CORP OF CHINA +1

Boost grouping method of storage battery module and boost grouping controller of storage battery module

The invention discloses a boost grouping controller of a storage battery module. The boost grouping controller consisting of a storage battery module composed of a plurality of single storage batteries, a super capacitor, a discharge switch current-limiting voltage regulator, a charge switch current-limiting voltage regulator, a DC-DC (direct-current-direct current) power supply booster, a storage battery module monitor, a pulse transformer, a rectifier, an output power supply filter, a temperature regulator, a storage battery module charging and temperature regulation controller, a storage battery module charging and discharging controller and a micro controller. According to the invention, an operation method of storage battery module boost grouping is realized, thus the storage batterymodules can be isolated mutually and operate individually after grouping, the mutual influence of the storage battery modules after grouping can be avoided, the service life of a storage battery set is improved, and the boost grouping controller has the characteristic of convenience in implementation.
Owner:STATE GRID CORP OF CHINA +1

Vehicle mounted pneumatic locust catching machine

The present invention relates to a large ground locust suction machine, in particular to a vehicle-mounted pneumatic locust catcher. The invention uses a chassis of an off-load vehicle as a vehicle and uses a self-governed generator as the source of power so as to provide power for a centrifugal fan and a rotating wheel at a preposing sucker. The preposing sucker is arranged at front end with certain height of the chassis of off-load vehicle and is connected with a gathering device arranged on the vehicle through a hose arranged at the upper part of the off-load vehicle. The locust leaps due to suffering the double disturbance of the operating noise of machine and the airflow, and the rotation of the open type rotating wheel causes local subpressure, thus, the locust is inhaled into the preposing sucker under the action of pressure differential, and then is transported to the gathering device through the hose step by step. The machine has the advantages of simple structure, easy operation, high trapping efficiency, and the machine is especially suitable for work in large grassland.
Owner:JIANGSU UNIV

Dual-core electric energy meter and power supply control method therefor

The invention relates to a dual-core electric energy meter and a power supply control method therefor. The dual-core electric energy meter comprises a metering core, a management core and a power supply management control module, wherein the metering core is used for realizing an electric energy metering function; the management core is used for realizing a non-electric-energy metering management function; the power supply management control module is used for realizing independent power supply for the metering core and the management core, wherein the power supply management control module consists of a main power supply, a clock battery and a power-off meter-reading battery; according to the control method, when the main power supply is powered on, all power supplies are supplied by the main power supply, and the metering core is powered by an independent power supply branch; when the main power supply is in power outage, a real-time clock RTC of the metering core is powered by the clock battery, and the management core is powered by the power-off meter-reading battery; and when the clock battery is replaced, the real-time clock RTC in the metering core is temporarily powered by a supercapacitor.
Owner:CHINA ELECTRIC POWER RES INST +1

Telecommunication computation structure system and method for implementing service in the same

The invention relates to a telecommunication computing architecture system and a method of fulfilling service protection thereof, the invention is provided with a power supply processing module on a rear loading switching module to fulfill power supply which is independent to a front flashboard, and provided with an intelligent platform management controller to fulfill the controlling of a control unit to the rear loading switching module which is provided with the control unit; meanwhile, the rear loading switching module of each working slot can be used to fulfill service accessing, and the front flashboard is used for fulfilling service processing; service switching can be fulfilled when the front flashboard of any primary slot occurs exceptions according to a mode of one backup slot and a plurality of primary slots, and the backup front flashboard temporarily replaces the front flashboard of the primary slot to complete the function of service processing; finally the separation of the service accessing and the service processing is fulfilled, thereby playing the effect of device level service protection.
Owner:HUAWEI TECH CO LTD

Transparent roof employing photovoltaic plates

The invention discloses a transparent roof employing photovoltaic plates, and the roof is provided with a window. The interior of the window is provided with transparent window, and two photovoltaic plates are disposed exactly below the transparent glass. The ceilings at the front and rear sides of the photovoltaic plates are fixedly provided with grooved rails, and the left and right sides of the grooved rails are provided with guide grooves. The photovoltaic plates are fixed on a plurality of lateral box irons, and the box irons are fixed on a plurality of longitudinal round steels. Two ends of the round steels are bent into fulcrum bars, and the fulcrum bars pass through the guide grooves of the grooved rails to be hinged to rollers. The rollers are inserted into the grooved rails. Two ends of the box irons are fixed on longitudinal connecting rods, and connecting rods of the photovoltaic plates are fixed on the lateral side plates. The lateral side plates abut against the side walls of the grooved rails, and the side plates are fixedly provided with a plural of supporting lugs. The supporting lugs are in screwed connection with lateral screw rods through linear bearings, wherein one end of each screw is fixedly connected with a rotating shaft of a motor through a shaft coupler, and the other end of the screw is hinged to a bearing seat. The photovoltaic plates are used for replacing a sun shield, so the roof can achieve the independent power supply, and facilitates the opening and closing of a transparent window of the roof.
Owner:邱丹敏

Wireless control intelligent socket based on infrared sensor

PendingCN109301609AImplement line installation setupAvoid the hassle of wiringCoupling device detailsComputer moduleBluetooth
The present invention discloses a wireless control intelligent socket based on an infrared sensor. The intelligent socket comprises an induction module and a socket module, the socket module comprisesa relay, a Bluetooth slave, a secondary control panel and a power adapter, the induction module comprises an infrared sensor, a Bluetooth host, a main control panel and a direct current power source;the power adaptor is configured to convert an alternating current to a direct current to supply power to the secondary control panel; the secondary control panel is connected with the Bluetooth slaveand the relay and configured to control open-close of the relay; the direct current power source is connected with the power adapter to supply power to the main control panel; the main control panelis connected with the infrared sensor and the Bluetooth host, the infrared sensor converts the infrared signals to level signals transmitted to the main control panel, when the infrared signals are changed, the Bluetooth host sends signals to the Bluetooth slave, the Bluetooth slave transmits the signals to the secondary control panel to control open-close operation of the relay so as to achieve on-off of the socket. The wireless control intelligent socket based on the infrared sensor can achieve active on-off of the socket and is energy-saving and safe.
Owner:NANJING UNIV OF SCI & TECH

Energy-saving power supply control system and method

The invention discloses an energy-saving power supply control system and method. The power supply control system controls a power supply to supply power for multiple electricity consumption circuits and comprises a controller and multiple switches, wherein the controller controls the on-off of the multiple switches; the multiple electricity consumption circuits are classified from high operating frequency to low operating frequency; each circuit comprises one or more electricity consumption circuits and one switch connected in series. The invention further discloses a corresponding energy-saving power supply control method. The classified or independent power supply for the electricity consumption circuits is realized by increasing the number of the switches, and rarely used circuits are only powered on when need to work, so that the energy consumption, especially the stand-by power consumption is reduced.
Owner:GREE ELECTRIC APPLIANCES INC

Micro-power-consumption RTU system

The invention provides a micro-power-consumption RTU system in a remote terminal control field. The RTU system comprises a power supply module, a wireless communication module, an MCU and a remote terminal set. The power supply module comprises a power supply input unit, a 2G / 4G power supply unit, an NB-IOT power supply unit and an MCU power supply unit. The output end of the power supply input unit is connected with the input end of the 2G / 4G power supply unit and the input end of the NB-IOT power supply unit. The output ends of the 2G / 4G power supply unit and the NB-IOT power supply unit isconnected with the input end of the wireless communication module. The input end of the MCU power supply unit is connected with the output end of the NB-IOT power supply unit, and the output end is connected with the input end of the MCU. The wireless communication module and the remote terminal set are connected with the MCU. The micro-power-consumption RTU system has an advantage of reducing thepower consumption of the RTU.
Owner:福州普贝斯智能科技有限公司

Circuit for realizing magnetic isolation feedback and secondary-side independent power supply

The invention provides a circuit for realizing magnetic isolation feedback and secondary-side independent power supply, which can realize both magnetic isolation feedback and secondary-side independent power supply. Magnetic isolation feedback and secondary-side independent power supply can be realized with only one magnetic ring, and the effect of killing two birds with one stone is achieved. Thecircuit is very simple and occupies less space. Therefore, the circuit of the invention has good practical value.
Owner:SHENZHEN ZHENHUA MICROELECTRONICS +1

Grouped working method of single batteries and battery pack with single batteries in independent working mode

The invention provides a battery pack with single batteries in an independent working mode, which comprises a switching transformer rectifier, single batteries, a super capacitor, a diode, a single battery charger, a power supply filter and a microprocessor. The invention also provides a grouped working method of single batteries. According to the invention, the mutual isolation and independent working of the grouped single batteries can be realized, the mutual influences of the grouped single batteries can be reduced, the service life of the battery group is prolonged, the structure is simple, and the implementation is convenient.
Owner:芜湖天量电池系统有限公司

Domestic pickled vegetable jar brewing room

The invention relates to a domestic pickled vegetable jar brewing room. Hydrogen gas and carbon dioxide are produced through utilizing a methanol water reforming hydrogen production device; the carbondioxide is discharged into the brewing room to provide an oxygen-free environment for saccharomycetes in the brewing room, so that external air does not need to be isolated by water and the water does not need to be added, and furthermore, the brewing of pickled vegetables becomes simple; the carbon dioxide output by the methanol water reforming hydrogen production device has high temperature, sothat the temperature in the brewing room is improved, thereby an air cooling machine is set to cool the brewing room; when the indoor temperature needs to be reduced, output power of the air coolingmachine is reinforced; when the indoor temperature needs to be raised, the output power of the air cooling machine is weakened; constant-temperature control of the indoor temperature can be realized without the need of additionally arranging a heater; through arranging a heat insulation layer on a wall of the brewing room, a constant-temperature environment is provided for a fermentation process of the pickled vegetables.
Owner:GUANGDONG HYDROGEN ENERGY SCI & TECH

A dual-core electric energy meter and its power supply control method

The invention relates to a dual-core electric energy meter and a power supply control method therefor. The dual-core electric energy meter comprises a metering core, a management core and a power supply management control module, wherein the metering core is used for realizing an electric energy metering function; the management core is used for realizing a non-electric-energy metering management function; the power supply management control module is used for realizing independent power supply for the metering core and the management core, wherein the power supply management control module consists of a main power supply, a clock battery and a power-off meter-reading battery; according to the control method, when the main power supply is powered on, all power supplies are supplied by the main power supply, and the metering core is powered by an independent power supply branch; when the main power supply is in power outage, a real-time clock RTC of the metering core is powered by the clock battery, and the management core is powered by the power-off meter-reading battery; and when the clock battery is replaced, the real-time clock RTC in the metering core is temporarily powered by a supercapacitor.
Owner:CHINA ELECTRIC POWER RES INST +1

Electromagnetic induction heating press-roller

The invention discloses an electromagnetic induction heating press-roller, which has an integral double-end supporting structure and comprises a rotating device and a fixing device, wherein the rotating device consists of an action roller and a rotating shaft which are connected; the rotating shaft inputs a rotating torque to drive the action roller to rotate; the fixing device consists of a fixed shaft, a sleeve arranged on the outer side of the fixed shaft, magnetizers and excitation coils; through the magnetizers and excitation coils segmentedly installed outside the sleeve, a magnetic airgap is formed between the outside end face of the fixed magnetizer and the inner circular face of the rotating action roller; the alternating magnetic field forms a circuit through the magnetizer, the air gap and the action roller metal; the magnetic field in the action roller forms an eddy current so as to uniformly heat the working face of the rotating action roller. Since a structure of axially segmented magnetizers and excitation coils is adopted, a magnetic circuit is formed on the working face metal of the heating roller only to avoid the magnetic circuit penetration of the non-heating working part and reduce the excitation current, and simultaneously prevent the machine parts from overheating; besides, the induction heating efficiency can be improved so as to control the axial temperature gratitude of the heating roller continently.
Owner:WUHAN UNIV OF TECH

Nondestructive testing system and nondestructive testing method based on pseudo-random coding

The invention discloses a nondestructive testing system based on pseudo-random coding. The system comprises a power supply device, an upper computer, a controller, an electric control unit, a transducer and a signal acquisition part; the upper computer outputs a pseudo-random coding sequence; the controller decodes the pseudo-random coding sequence into pulses and outputs a pulse sequence; the electric control unit receives the pulse sequence and then outputs a voltage or current signal to the transducer to obtain a controllable transducer; the signal acquisition part records the impact timesand frequency and feeds back to the upper computer; and the upper computer processes the impact times and frequency. According to the scheme of the invention, pseudo-random sequence impact is realizedby combining pseudo-random sequence programming control, noise and interference are suppressed to the greatest extent, and accurate identification and extraction of effective signals are ensured; andby means of electronic pulse sweep frequency impact, single impact energy is superposed, and the nondestructive testing distance and precision are improved. The invention further discloses a nondestructive testing method which adopts the nondestructive testing system based on pseudo-random coding and can be applied to the field of nondestructive testing of bridges and concrete structures.
Owner:CHINA RAILWAY CONSTR HEAVY IND

Electromagnetic induction lifting hot pot and electromagnetic induction multipurpose dining table system thereof

The invention relates to an electromagnetic induction lifting hot pot and an electromagnetic induction multipurpose dining table system thereof.The electromagnetic induction lifting hot pot comprises a main control board, a filter screen container and a lifting module used for driving the filter screen container to ascend and descend, and the lifting module is electrically connected with the main control board; the main control board, the filter screen container and the lifting module are arranged on a hot pot shell; the low-voltage power supply coil is used for generating low-voltage induction current by utilizing an electromagnetic induction principle, is electrically connected with the main control board, and supplies electric energy to the main control board when inducting an electromagnetic field. The lifting hot pot can be used in cooperation with an induction cooker, and independent power supply can be achieved.
Owner:佛山市人走茶不凉科技有限公司

High-reliability measurement system capable of simultaneously acquiring multiple types of parameters

The invention relates to an engine parameter measurement system, and in particular relates to a high-reliability measurement system capable of simultaneously acquiring multiple types of parameters. The problem that the measurement reliability of a traditional measurement system is low due to the wiring mode of a junction box and a wiring panel is solved. The system comprises a movable cable, and awiring panel assembly, a front-end acquisition cabinet, a cRIO distributed acquisition system, a coil holder trunking, an adapter cabinet and an adapter cable which are located in a front equipment room. By additionally arranging the adapter cabinet, the cable adapter mode is optimized, and the wiring panel is redesigned according to different types of slowly changing parameters, so that switching and monitoring of different types of slowly changing parameter signals are realized.
Owner:XIAN AEROSPACE PROPULSION TESTING TECHN INST

Multi-color-temperature LED lamp and color temperature adjusting system thereof

The invention discloses a multi-color-temperature LED lamp. The multi-color-temperature LED lamp comprises an electric conducting base and a lamp base; a support rod is fixedly mounted in the center position of the outer surface of the upper end of the electric conducting base; an extension shaft is arranged in the center position of the inner surface of the support rod; a fastening knob is movably mounted on the surface of one side of the extension shaft; mounting handles are connected to the surfaces of two sides of the lamp base; and first reserved holes and second reserved holes are formednear the two sides by penetrating through the surfaces of the mounting handles. The invention discloses the multi-color-temperature LED lamp and a color temperature adjusting system thereof; the quick mounting and dismounting between the lamp base and a lamp shell can be realized by using cooperation between matching slide rails and mounting grooves; a convex block is used for driving extractionof an anti-explosion glass panel, so that the quick replacement of a power supply in the lamp shell can be realized; and in addition, a movable frame is used for cooperating with the electric conducting base to realize independent power supply of the lamp and supporting use so as to achieve the lamp mounting mode diversity.
Owner:楼展积

A transparent roof with photovoltaic panels

The invention discloses a transparent roof employing photovoltaic plates, and the roof is provided with a window. The interior of the window is provided with transparent window, and two photovoltaic plates are disposed exactly below the transparent glass. The ceilings at the front and rear sides of the photovoltaic plates are fixedly provided with grooved rails, and the left and right sides of the grooved rails are provided with guide grooves. The photovoltaic plates are fixed on a plurality of lateral box irons, and the box irons are fixed on a plurality of longitudinal round steels. Two ends of the round steels are bent into fulcrum bars, and the fulcrum bars pass through the guide grooves of the grooved rails to be hinged to rollers. The rollers are inserted into the grooved rails. Two ends of the box irons are fixed on longitudinal connecting rods, and connecting rods of the photovoltaic plates are fixed on the lateral side plates. The lateral side plates abut against the side walls of the grooved rails, and the side plates are fixedly provided with a plural of supporting lugs. The supporting lugs are in screwed connection with lateral screw rods through linear bearings, wherein one end of each screw is fixedly connected with a rotating shaft of a motor through a shaft coupler, and the other end of the screw is hinged to a bearing seat. The photovoltaic plates are used for replacing a sun shield, so the roof can achieve the independent power supply, and facilitates the opening and closing of a transparent window of the roof.
Owner:邱丹敏
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